The most valuable £5 notes - serial numbers and the 'AA' codes to watch for - Mirror Online

The new notes are now in circulation - but some serial numbers are attracting sky-high prices. Here's how to spot a special fiver

The 'special' £5 notes worth over £100 - and how to tell if you have one - YorkshireLive

The most valuable £5 notes - serial numbers and the 'AA' codes to watch for - Mirror Online

Dollar bill: Serial numbers make banknotes worth thousands in online trend

There's another rare £5 note type selling for thousands of pounds - Mirror Online

The new plastic £10 notes which could be worth thousands include AH and JA serial codes - Bristol Live

Your new £20 note could be worth thousands - here's how to tell - Chronicle Live

Have you got a £5 note worth £50,000 If it has this hidden feature on you might have - Manchester Evening News

New £20 notes could be worth thousands - here's how to check - Plymouth Live

This plastic £5 note just sold for £60,000 on - and this is why - CoventryLive

Shoppers urged to check for 'special' £5 notes worth more than £100 - Chronicle Live

There's a different type of rare £5 note that's selling for thousands - Manchester Evening News

Most rare and valuable £5 notes in circulation revealed - from quirky serial numbers to vintage copies worth hundreds